ABSTRACT:
Background: The urachus is an embryonic remnant occurring as result of involution of the allantoic duct and the ventral cloaca. This canal becomes progressively obliterated after birth. It uncommonly persist as different variants after birth. Case presentation: One Frisian inbreeding young bull was presented at Al-Etgaan private clinic, Tripoli, Libya, with distended abdomen and clinical signs of chocking, with low grade fever, loss of appetite, frothy mouth, arched back, grinding, with clear distended left flank region with no ruminal movement sound. On the first time of inspection the suspected diagnosis was simple indigestion because of the same clinical sings the bull had. A stomach tube was introduced with little relief had showed on distension, but the animal vitally was in bad shape. Five days later surgical intervention has been done through laboratomy, a big balloon cyst like structure extended ventrolatrally was noted. The structure was located on the floor of the abdominal wall extending from pelvic rim caudally to umbilical region cranially. We deal with situation as it should be. The bull made an uneventful recovery. Conclusion: urachus is an urgent case that it needs instant diagnosis, a good treatment and a good prognosis would expect. Literature on the embryology and anatomic basis of such duct is discussed beside more detailed on the case will addressed in this report.
Key words: Keywords: Urachus, Bull, Anatomy, Abscess, Embryology.
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